public static bool TryParseDashNumberList(string value, out PDFDash dash)
{
bool result = false;
dash = null;
var entries = value.Split(',', ' ');
int total = 0;
List <PDFNumber> items = new List <PDFNumber>(entries.Length);
foreach (var a in entries)
{
if (string.IsNullOrEmpty(a) == false)
{
int i;
if (int.TryParse(a.Trim(), out i))
{
items.Add(new PDFNumber(i));
total += i;
}
else
{
throw new FormatException("The format of a custom dash phase should be '[n n ...] n' or '[n,n,n] n' or 'n,n,n,n'. Could not understand the format '" + value + "'");
}
}
}
result = items.Count > 0;
dash = new PDFDash(items.ToArray(), new PDFNumber(total));
return(result);
}
public bool Equals(PDFDash dash)
{
if (this._pattern == null && dash._pattern == null)
{
return(this._len == dash._len);
}
else if (this._pattern.Length == dash._pattern.Length)
{
for (int i = 0; i < this._pattern.Length; i++)
{
if (this._pattern[i] != dash._pattern[i])
{
return(false);
}
}
return(this._len == dash._len);
}
else
{
return(false);
}
}
public static PDFDash Parse(string dashpattern)
{
PDFDash dash = null;
if (string.IsNullOrEmpty(dashpattern))
{
return(dash);
}
dashpattern = dashpattern.Trim();
if (dashpattern.StartsWith("[") && dashpattern.IndexOf("]") > 0)
{
dash = ParseExplicit(dashpattern);
}
else if (PDFDashes.TryGetNamedDash(dashpattern, out dash) == false)
{
if (!TryParseDashNumberList(dashpattern, out dash))
{
throw new ArgumentException("The dash pattern '" + dashpattern + "' could not be parsed. The format of a custom dash phase should be '[n n ...] n' or '[n,n,n] n', or one of hte known named patterns.");
}
}
return(dash);
}
public void RenderLineDash(PDFDash dash)
{
this.Writer.WriteArrayNumberEntries(true, dash.Pattern);
this.Writer.WriteOpCodeS(PDFOpCode.GraphDashPattern, dash.Phase);
}
public PDFDashPen(PDFDash dash, PDFColor color, PDFUnit width)
: base(color, width)
{
this.Dash = dash;
}
public PDFDashPen(PDFDash dash)
{
this.Dash = dash;
}
public static bool TryGetNamedDash(string name, out PDFDash found)
{
return(_named.TryGetValue(name, out found));
}
